NASA Primary (NSSD) Control Authority Office Home Page

Welcome to the home page for the NASA Primary Control Authority Office!
The Control Authority Identifier (CAID) assigned to this Member Agency
Control Authority Office (MACAO) by the Consultative Committee for
Space Data Systems (CCSDS) is NSSD.
In the current assignment scheme
being used by the CCSDS, the first character is indicative of the
space agency responsible to the CCSDS for this MACAO. In this case,
the "N" represents NASA. The four characters NSSD are also indicative
of the location of this MACAO at the National Space Science Data
Center (NSSDC) at Goddard Space Flight Center (GSFC).